20160004

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 35985600

約数和(自身を除く): 15825596

約数列:

[1, 2, 4, 101, 139, 202, 278, 359, 404, 556, 718, 1436, 14039, 28078, 36259, 49901, 56156, 72518, 99802, 145036, 199604, 5040001, 10080002, 20160004]

約数ペア:

[(1, 20160004), (2, 10080002), (4, 5040001), (101, 199604), (139, 145036), (202, 99802), (278, 72518), (359, 56156), (404, 49901), (556, 36259), (718, 28078), (1436, 14039)]